DE2916151C2 - Verfahren und Vorrichtung zum Glühen von Siliciumstahlcoils - Google Patents

Verfahren und Vorrichtung zum Glühen von Siliciumstahlcoils

Info

Publication number: DE2916151C2
Authority: DE; Germany
Prior art keywords: hydrogen; lock; annealing chamber; annealing; atmosphere
Prior art date: 1978-04-20
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

DE2916151A

Other languages

German (de)

English (en)

Other versions

DE2916151A1 (de

Inventor

Philip Ross New Kensington Pa. Robinson

Ralph Edward Export Pa. Snyder

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Allegheny Ludlum Steel Corp

Original Assignee

Allegheny Ludlum Steel Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1978-04-20

Filing date

1979-04-20

Publication date

1987-04-09

1979-04-20 Application filed by Allegheny Ludlum Steel Corp filed Critical Allegheny Ludlum Steel Corp

1979-10-31 Publication of DE2916151A1 publication Critical patent/DE2916151A1/de

1987-04-09 Application granted granted Critical

1987-04-09 Publication of DE2916151C2 publication Critical patent/DE2916151C2/de

Status Expired legal-status Critical Current

Links

238000000137 annealing Methods 0.000 title claims description 44
238000000034 method Methods 0.000 title claims description 14
229910000976 Electrical steel Inorganic materials 0.000 title claims description 6
239000001257 hydrogen Substances 0.000 claims description 70
229910052739 hydrogen Inorganic materials 0.000 claims description 70
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 68
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 24
229910052757 nitrogen Inorganic materials 0.000 claims description 12
238000011010 flushing procedure Methods 0.000 claims description 10
238000004140 cleaning Methods 0.000 claims description 7
238000012958 reprocessing Methods 0.000 claims description 7
238000001816 cooling Methods 0.000 claims description 3
238000001035 drying Methods 0.000 claims description 3
150000002431 hydrogen Chemical class 0.000 claims 2
239000007789 gas Substances 0.000 description 4
238000012545 processing Methods 0.000 description 3
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
230000000284 resting effect Effects 0.000 description 2
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
239000001569 carbon dioxide Substances 0.000 description 1
229910002092 carbon dioxide Inorganic materials 0.000 description 1
229910002091 carbon monoxide Inorganic materials 0.000 description 1
239000012535 impurity Substances 0.000 description 1
239000000203 mixture Substances 0.000 description 1
238000011017 operating method Methods 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
238000010926 purge Methods 0.000 description 1
239000010959 steel Substances 0.000 description 1
238000011144 upstream manufacturing Methods 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Thermal Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Manufacturing Of Steel Electrode Plates (AREA)
Furnace Details (AREA)
Heat Treatment Of Strip Materials And Filament Materials (AREA)
Crystals, And After-Treatments Of Crystals (AREA)
Heat Treatment Of Sheet Steel (AREA)

DE2916151A 1978-04-20 1979-04-20 Verfahren und Vorrichtung zum Glühen von Siliciumstahlcoils Expired DE2916151C2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/898,010 US4167426A (en)	1978-04-20	1978-04-20	Method for annealing silicon steel

Publications (2)

Publication Number	Publication Date
DE2916151A1 DE2916151A1 (de)	1979-10-31
DE2916151C2 true DE2916151C2 (de)	1987-04-09

Family

ID=25408792

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE2916151A Expired DE2916151C2 (de)	1978-04-20	1979-04-20	Verfahren und Vorrichtung zum Glühen von Siliciumstahlcoils

Country Status (19)

Country	Link
US (1)	US4167426A (cs)
JP (1)	JPS54145320A (cs)
AR (1)	AR217745A1 (cs)
AT (1)	AT381958B (cs)
AU (1)	AU528303B2 (cs)
BE (1)	BE875753A (cs)
BR (1)	BR7902314A (cs)
CA (1)	CA1122887A (cs)
CS (1)	CS213313B2 (cs)
DE (1)	DE2916151C2 (cs)
ES (1)	ES479747A1 (cs)
FR (1)	FR2423544B1 (cs)
GB (1)	GB2029455B (cs)
HU (1)	HU179104B (cs)
IT (1)	IT1115133B (cs)
MX (1)	MX6054E (cs)
PL (1)	PL118136B1 (cs)
SE (1)	SE446274B (cs)
YU (1)	YU72779A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4428614A1 (de) *	1994-08-12	1996-02-22	Loi Thermprocess Gmbh	Verfahren zum Glühen von Metallteilen

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3105064C2 (de) *	1981-02-12	1983-07-07	Thyssen Grillo Funke GmbH, 4650 Gelsenkirchen	Verfahren zur Wärmebehandlung von zu Bunden (Coils) aufgehaspeltem Metallband
US4398971A (en) *	1981-12-31	1983-08-16	Aga Aktiebolag	Method of heating, holding or heat treatment of metal material
US4540363A (en) *	1984-03-01	1985-09-10	Seco/Warwick Corporation	Ingot pusher furnace
US4596526A (en) *	1985-03-04	1986-06-24	Worthington Industries, Inc.	Batch coil annealing furnace and method
DE3736501C1 (de) *	1987-10-28	1988-06-09	Degussa	Verfahren zur Waermebehandlung metallischer Werkstuecke
US5143558A (en) *	1991-03-11	1992-09-01	Thermo Process Systems Inc.	Method of heat treating metal parts in an integrated continuous and batch furnace system
ES2188401B1 (es) *	2001-10-10	2004-03-01	Linares Fernanda Ruiz	Acero en su composicion hidrogeno
CN113654350A (zh) *	2021-08-17	2021-11-16	浙江科奥陶业有限公司	一种高温纯氢气保护气氛推舟炉设备及其工艺方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR55831E (fr) *	1943-02-02	1952-09-08		Perfectionnements aux procédés et dispositifs pour le revêtement d'objets en métal par des couches protectrices d'un métal différent
US2955062A (en) *	1952-02-27	1960-10-04	Midland Ross Corp	Method for carburizing in a continuous furnace
GB947437A (en) *	1962-01-24	1964-01-22	Ass Elect Ind	Improvements relating to the control of the supply of process gas to a furnace
US3606289A (en) *	1969-02-26	1971-09-20	Allegheny Ludlum Steel	Apparatus for annealing steel coils
US3778221A (en) *	1969-02-26	1973-12-11	Allegheny Ludlum Ind Inc	Annealing furnace and method for its operation
BE788908A (fr) *	1971-09-17	1973-03-15	Allegheny Ludlum Ind Inc	Four a recuire les bobines de feuillard et son procede d'exploitation
SE364729B (cs) *	1972-11-06	1974-03-04	Graenges Eng Ab

1978
- 1978-04-20 US US05/898,010 patent/US4167426A/en not_active Expired - Lifetime
1979
- 1979-03-22 AU AU45413/79A patent/AU528303B2/en not_active Ceased
- 1979-03-27 YU YU00727/79A patent/YU72779A/xx unknown
- 1979-04-03 CA CA324,824A patent/CA1122887A/en not_active Expired
- 1979-04-10 GB GB7912632A patent/GB2029455B/en not_active Expired
- 1979-04-13 CS CS792554A patent/CS213313B2/cs unknown
- 1979-04-16 AR AR276194A patent/AR217745A1/es active
- 1979-04-17 BR BR7902314A patent/BR7902314A/pt unknown
- 1979-04-18 HU HU79AE570A patent/HU179104B/hu unknown
- 1979-04-18 MX MX797876U patent/MX6054E/es unknown
- 1979-04-19 SE SE7903414A patent/SE446274B/sv not_active IP Right Cessation
- 1979-04-19 IT IT48791/79A patent/IT1115133B/it active
- 1979-04-19 ES ES479747A patent/ES479747A1/es not_active Expired
- 1979-04-20 PL PL1979215034A patent/PL118136B1/pl unknown
- 1979-04-20 DE DE2916151A patent/DE2916151C2/de not_active Expired
- 1979-04-20 AT AT0301079A patent/AT381958B/de not_active IP Right Cessation
- 1979-04-20 FR FR7910099A patent/FR2423544B1/fr not_active Expired
- 1979-04-20 BE BE0/194755A patent/BE875753A/xx not_active IP Right Cessation
- 1979-04-20 JP JP4889179A patent/JPS54145320A/ja active Pending

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4428614A1 (de) *	1994-08-12	1996-02-22	Loi Thermprocess Gmbh	Verfahren zum Glühen von Metallteilen
DE4428614C2 (de) *	1994-08-12	1999-07-01	Loi Thermprocess Gmbh	Verfahren zum Glühen von Metallteilen

Also Published As

Publication number	Publication date
CS213313B2 (en)	1982-04-09
GB2029455B (en)	1982-12-22
HU179104B (en)	1982-08-28
IT1115133B (it)	1986-02-03
CA1122887A (en)	1982-05-04
PL215034A1 (cs)	1980-01-14
GB2029455A (en)	1980-03-19
IT7948791A0 (it)	1979-04-19
MX6054E (es)	1984-10-16
ATA301079A (de)	1986-05-15
SE7903414L (sv)	1979-10-21
US4167426A (en)	1979-09-11
ES479747A1 (es)	1980-07-01
YU72779A (en)	1983-02-28
BR7902314A (pt)	1979-10-23
AU528303B2 (en)	1983-04-21
FR2423544B1 (fr)	1987-06-19
FR2423544A1 (fr)	1979-11-16
AU4541379A (en)	1979-11-29
DE2916151A1 (de)	1979-10-31
JPS54145320A (en)	1979-11-13
BE875753A (fr)	1979-10-22
AT381958B (de)	1986-12-29
AR217745A1 (es)	1980-04-15
PL118136B1 (en)	1981-09-30
SE446274B (sv)	1986-08-25

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Legal Events

Date	Code	Title	Description
1980-07-24	OD	Request for examination
1982-06-24	8127	New person/name/address of the applicant	Owner name: ALLEGHENY LUDLUM STEEL CORP., PITTSBURGH, PA., US
1987-04-09	D2	Grant after examination
1987-10-01	8364	No opposition during term of opposition
1989-04-13	8339	Ceased/non-payment of the annual fee